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Routes
Road cycling routes
United States
California
San Mateo County

San Carlos

The best road cycling routes around San Carlos

4.7

(192)

10,867

riders

15

rides

Road cycling routes around San Carlos offer a diverse landscape, situated in the heart of the San Francisco Peninsula. The region features varied terrain, including challenging ascents and well-paved surfaces, providing scenic views and access to natural attractions. Cyclists can explore routes that feature both historical landmarks like the Pulgas Water Temple and natural landscapes such as the Pulgas Ridge Open Space Preserve.

Best road cycling routes in San Carlos

  • The most popular road cycling route is Pulgas Water Temple…

Last updated: April 27, 2026

42

riders

#1.

Moffett Boulevard Bike Bridge – Junipero Serra Boulevard loop from Mountain View

53.5km

02:17

410m

410m

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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Moderate

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy
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Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy
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Tips from the Community

David B. Davis
August 31, 2025, Pulgas Water Temple

A fun, pretty place to stop while riding Cañada road. I has water and an air pump and bathrooms. Take a photo with friends.

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Sue
June 30, 2025, Oracle Lagoon

This small lagoon offers an excellent photo opportunity for visitors and photographers alike. Its calm, crystal-clear waters create a stunning mirror-like reflection of the iconic Oracle Buildings that surround it. The tranquil setting, combined with the striking architecture, makes it an ideal spot to capture breathtaking images, especially during sunrise and sunset.

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There is a designated bike lane on either side of the road. You can follow Carolan down the bay to Washington Park, though you'll lose the bike lane. The Caltrain station is also just across the street from here.

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San Andreas Lake is a hidden gem tucked into the hills of San Mateo County, just south of San Francisco. Originally a natural sag pond formed by the San Andreas Fault, it was transformed into a reservoir in the late 1800s and now serves as a vital water source for the region. The lake is off-limits for swimming or boating, but you can enjoy its peaceful beauty from the San Andreas Trail or the popular Sawyer Camp Trail, which runs along its eastern edge. It's a serene spot where you can walk or bike with sweeping views of the water and surrounding hills, all while standing right on one of the world’s most famous fault lines. Despite its proximity to urban life, San Andreas Lake offers a quiet, scenic escape steeped in natural and historical significance.

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Sue
May 23, 2025, Oracle Lagoon

This small lagoon offers an excellent photo opportunity for visitors and photographers alike. Its calm, crystal-clear waters create a stunning mirror-like reflection of the iconic Oracle Buildings that surround it. The tranquil setting, combined with the striking architecture, makes it an ideal spot to capture breathtaking images, especially during sunrise and sunset.

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This mostly paved bike trail alongside Alpine Road is great for bike commuting — just don't run over any slower trail users! The trail runs all the way from Portola Valley to Stanford, offering some nice shade along the way. The brief moments of unpaved trail are near the Portola Valley end.

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You're not hallucinating: This monument was deliberately built in the style of ancient Greek and Roman architecture, to commemorate the Great Depression-era Hetchy Hetchy Project that brought water down from the mountains to the Bay Area. The frieze says, “I give waters in the wilderness and rivers in the desert, to give drink to my people.”

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Frequently Asked Questions

What types of road cycling routes can I find around San Carlos?

San Carlos offers a diverse range of road cycling routes, catering to various fitness levels. You'll find everything from leisurely rides on well-paved surfaces to more challenging ascents with significant elevation gains. The terrain is varied, featuring scenic views and access to natural attractions and historical landmarks.

How many road cycling routes are available in the San Carlos area?

There are over a dozen road cycling routes around San Carlos documented on komoot, with 4 easy and 8 moderate options. This variety ensures there's a suitable ride for most cyclists.

Are there any easy road cycling routes suitable for beginners in San Carlos?

Yes, San Carlos offers several easy road cycling routes. While many routes are moderate, there are 4 designated easy options perfect for beginners or those looking for a more relaxed ride. These routes typically feature less elevation gain and well-maintained surfaces.

What are some notable landmarks or attractions I might see while road cycling in San Carlos?

Many routes incorporate significant landmarks. For instance, the Lower Kings Mountain Road – Pulgas Water Temple loop from San Carlos features the historic Pulgas Water Temple. Other attractions in the wider area include the unique Flintstone House and the Tafoni Sandstone Formation.

Where can I find routes that start from Pulgas Ridge Open Space Preserve?

The Portola Valley – Manzanita Way loop from Pulgas Ridge Open Space Preserve is a popular moderate ride that begins from this preserve. Pulgas Ridge Open Space Preserve serves as a convenient starting point for several cycling loops, offering access to natural landscapes.

Are there any road cycling routes that offer views of the Bay or salt marshes?

Yes, the Bayfront Salt Marsh – Smith Slough loop from San Carlos is a moderate route that takes you through the Bayfront Salt Marsh area, offering distinct views of the baylands and a different cycling experience compared to the inland hills.

What do other cyclists say about road cycling in San Carlos?

The road cycling routes around San Carlos are highly rated by the komoot community, with an average score of 4.5 stars from over 90 reviews. Cyclists often praise the varied terrain, scenic views, and the inclusion of natural attractions and historical sites along the routes.

What is the best time of year for road cycling in San Carlos?

The most popular times for cycling in the San Carlos area are typically March, April, and May. During these months, the weather is generally favorable for outdoor activities, making it ideal for exploring the region's diverse routes.

Are there any road cycling routes that pass by the Crystal Springs Corridor?

The Crystal Springs Corridor is recognized for its safe biking conditions and is a significant area for road cycling. Routes like the Lower Kings Mountain Road – Pulgas Water Temple loop from San Carlos often utilize parts of this corridor, offering a pleasant and secure riding experience.

Can I find road cycling routes that include the Palo Alto-Los Altos area?

Absolutely. The Junipero Serra Boulevard – Palo Alto-Los Altos Bike Path loop from San Carlos is a popular moderate route that leads through the Palo Alto-Los Altos area, providing a different urban and suburban cycling experience.

Are there any challenging road cycling routes for experienced riders?

While the komoot guide primarily lists moderate routes, the region surrounding San Carlos, including areas like Old La Honda Road, offers more challenging options with significant elevation gains for experienced riders seeking a demanding workout. These routes often feature climbs of 900 meters or more.

Are there any specific lakes or reservoirs visible from road cycling routes?

Yes, some routes offer views of local water bodies. The Lower Crystal Springs Reservoir is a prominent feature in the area, and routes that traverse the Crystal Springs Corridor will often provide scenic glimpses of it.

Most popular routes around San Carlos

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